What technology is not used to implement confidentiality?

What technology is not used to implement confidentiality?

• Access Controls
• Authentication
• Auditing
• Encryption 

EXPLANATION

What technology is not used to implement confidentiality, but is used verify that an administrator is not accessing data that he should not be accessing? Auditing

SOURCE

https://quizlet.com/111340244/understanding-security-layers-lesson-1-flash-cards/